我们为保护濒危物种而建立的任何保护区都可能变得毫无用处，因为这些生物被迫随着它们的自然栖息地迁移。

Any preserves we set up to protect endangered species may become useless as the species are forced to migrate along with their natural homes.

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例如，一个移居的物种可能会因缺乏食物而灭绝。

A translocated species could die out from lack of food, for example.

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缓慢的、持续的变化可能是环境稳定时期的常态，而新物种的快速进化发生在环境压力时期。

Slow, continuous change may be the norm during periods of environmental stability, while rapid evolution of new species occurs during periods of environment stress.

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But he also obviously writes that we are beings with will and purpose who are uniquely guided by opinions, ideas, and doctrines and it is in many ways the first business of the sovereign to act as a moral reformer of ideas.

但他同时也写道,我们是有意志和目标的生物,是唯一由言论，思想和各种学说，所引导的物种,而这正是给君主作为思想道德改造者,的存在提供了可能性。

耶鲁公开课 - 政治哲学导论课程节选